This document summarizes information from four virtual sites in Second Life: Tropical Fish, Animal Island, Institute of Geography at University of Essen, and Etiopia Island. It provides details on each site such as the SLURL, typical number of visitors, and whether it contains classrooms, auditoriums, or bookstores. It also describes the main educational topics and activities at each site, such as tropical sea fauna, interacting with virtual animals, urban geography, and renewable energy.